<template>
  <div class="department-container">
    <div class="app-container">
      <el-card>
        <!-- 用一个行列布局 -->
        <el-row type="flex" justify="space-between" align="middle" style="height: 40px">
          <el-col :span="20">
            <svg-icon icon-class="home" /><span>江苏传智播客教育科技股份有限公司</span>
          </el-col>
          <el-col :span="4">
            <el-row type="flex" justify="end">
              <!-- 两个内容 -->
              <el-col>负责人</el-col>
              <!-- 下拉菜单 element -->
              <el-col>
                <el-dropdown>
                  <span>
                    操作<i class="el-icon-arrow-down" />
                  </span>
                  <el-dropdown-menu slot="dropdown">
                    <el-dropdown-item @click.native="hAdd('')">添加子部门</el-dropdown-item>
                  </el-dropdown-menu>
                </el-dropdown>
              </el-col>
            </el-row>
          </el-col>
        </el-row>
        <!-- 属性的组件el-tree搭建属性的结构数据 -->
        <el-tree
          default-expand-all
          :data="list"
        >
          <!-- 使用作用域插槽 获取组件内部的数据 -->
          <!-- el-tree提供的默认的作用域插槽  #default="{data}"获取el-tree组件内部的数据 -->
          <template #default="{data}">
            <el-row type="flex" justify="space-between" align="middle" style="height: 40px;width: 100%;">
              <el-col :span="20">
                <svg-icon icon-class="home" /><span>{{ data.name }}</span>
              </el-col>
              <el-col :span="4">
                <el-row type="flex" justify="end">
                  <!-- 两个内容 -->
                  <el-col>{{ data.manager }}</el-col>
                  <!-- 下拉菜单 element -->
                  <el-col>
                    <el-dropdown>
                      <span>
                        操作<i class="el-icon-arrow-down" />
                      </span>
                      <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item @click.native="hAdd(data.id)">添加子部门</el-dropdown-item>
                        <el-dropdown-item @click.native="hEdit(data.id)">编辑部门</el-dropdown-item>
                        <el-dropdown-item
                          v-if="data.children.length===0"
                          @click.native="hDel(data.id)"
                        >删除部门</el-dropdown-item>

                      </el-dropdown-menu>
                    </el-dropdown>
                  </el-col>
                </el-row>
              </el-col>
            </el-row>
          </template>
        </el-tree>
      </el-card>
      <!-- 准备新增子部门或编辑部门的弹层 -->
      <el-dialog
        :close-on-click-modal="false"
        :close-on-press-escape="false"
        :title="isEdit ? '新增子部门':'或编辑部门'"
        :visible.sync="showDialog"
        width="50%"
        @closed="hClose"
      >
        <!-- v-if解决表单数据不更新的问题方式1 -->
        <addOrEdit
          :id="curId"
          ref="deptRef"
          :is-edit="isEdit"
          :origin-list="originList"
          @success="hSuccess"
          @close="showDialog=false"
        />

      </el-dialog>

    </div>
  </div>
</template>

<script>
import { getDepartments, delDepartments } from '@/api/departments'
import { transDataToTreeData } from '@/utils/index'
import addOrEdit from './deptDialog.vue'
export default {
  components: {
    addOrEdit
  },
  data() {
    return {
      // 依赖一份树形数据
      list: [], // 存储部门列表
      showDialog: false, // 控制弹层显示和隐藏
      curId: '', // 当前部门的id 作为子部门的父级id
      isEdit: false, // flase新增 || true编辑
      originList: []// 保存传给子组件的部门列表
    }
  },
  created() {
    this.loadDepartments()
  },
  methods: {
    hClose() {
    // 重置表单的校验规则和数据
    // 怎么去重置子组件的表单？
      console.log('弹层关闭')
      this.$refs.deptRef.resetForm()
    },
    async loadDepartments() {
      try {
        const res = await getDepartments()
        if (res.code !== 10000) return this.$message.error(res.message)
        this.originList = res.data.depts.map(item => {
          const { id, code, name, pid } = item
          return { id, code, name, pid }
        })
        this.$message.success(res.message)
        res.data.depts.shift()// 删除第一条数据公司的名称
        this.list = transDataToTreeData(res.data.depts)
      } catch (error) {
        this.$message.error('获取数据失败')
      }
    },
    hDel(id) {
      this.$confirm('您确定要删除该部门吗，是否继续', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        // 确定实现删除
        const res = await delDepartments(id)
        if (res.code === 10000) {
          this.$message.success(res.message)
          this.loadDepartments()
        }
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    hEdit(id) {
      this.curId = id
      this.isEdit = true// 编辑状态
      // 解决数据不更新的方式2
      // 保证dom更新完成之后 在调用子组件中的方法 重新获取数据 填充表单
      this.$nextTick(() => {
        this.$refs.deptRef.loadDepartmentsDetail()
      })
      this.showDialog = true
    },
    hSuccess() {
      // 重新渲染数据 关闭弹层
      this.loadDepartments()
      this.showDialog = false
    },
    hAdd(id) {
      // console.log(id)
      this.isEdit = false
      this.curId = id
      this.showDialog = true
    }
  }
}

</script>
